Forms of Energy and Kinetic Energy Quiz
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Questions and Answers

In the context of energy, what is the sum of kinetic energy and potential energy called?

  • Electrical energy
  • Chemical energy
  • Light energy
  • Mechanical energy (correct)

    • Which type of energy is possessed by objects in motion and can do work?

  • Mechanical energy (correct)
  • Potential energy
  • Heat energy
  • Light energy

    • What type of energy is possessed by an object due to its configuration or change in position?

  • Potential energy (correct)
  • Kinetic energy
  • Light energy
  • Heat energy

    • According to the work-energy theorem, how can the net work done by a moving body be calculated?

    <p>Finding the change in kinetic energy</p> Signup and view all the answers

    When two identical bodies are in motion, which body has more kinetic energy?

    <p>The body with higher velocity</p> Signup and view all the answers

    What is the type of energy that gets stored in an object when work is done on it?

    <p>Potential energy</p> Signup and view all the answers

    What is the definition of work in the context of Physics?

    <p>Work is the product of force and distance moved in the direction of the force.</p> Signup and view all the answers

    In Physics, energy is defined as:

    <p>The quantitative property that is transferred to a body or system, seen in work performance and forms like heat and light.</p> Signup and view all the answers

    What happens to the work done if a force acts on an object but causes no displacement?

    <p>The work done is zero.</p> Signup and view all the answers

    What is the SI unit of energy or work?

    <p>Joule</p> Signup and view all the answers

    Which term represents the ability to do work?

    <p>Energy</p> Signup and view all the answers

    What type of quantity is energy according to physics?

    <p>Scalar</p> Signup and view all the answers

    What does the Law of Conservation of Energy state?

    <p>Energy can only be transferred from one form to another.</p> Signup and view all the answers

    In the equation Total energy = KE + PE, what do KE and PE represent respectively?

    <p>Kinetic Energy, Potential Energy</p> Signup and view all the answers

    What happens to the total energy when a ball falls freely from a height according to the Law of Conservation of Energy?

    <p>Total energy remains constant.</p> Signup and view all the answers

    What is power defined as?

    <p>The rate of doing work or transfer of energy per unit time.</p> Signup and view all the answers

    Which unit is used to measure power?

    <p>Joule per second</p> Signup and view all the answers

    What is the commercial unit of power used for measuring energy consumption?

    <p>Kilowatt hour (kWh)</p> Signup and view all the answers

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